33.
Your Answer is
Correct Answer is A
Explanation
Item A: The expression here is "too dangerous for her", so use too, and item A is correct.
Item C: felt is followed by an object clause, the Iditarod is the subject of the clause, maybe is an adverb, not a verb, wrong.
Item D: According to the tense of the context, this should be the past tense, and item D is wrong.